Handle { NULL } argv[] properly in manual arg-reduction

Thanks izabera for reporting this!
2017-08-05 23:50:39 +02:00
parent ea8622a4ce
commit e92a1aef54
22 changed files with 24 additions and 23 deletions
--- a/chmod.c
+++ b/chmod.c
@@ -35,7 +35,7 @@ main(int argc, char *argv[])
 	                      .follow = 'P', .flags = 0 };
 	size_t i;

-	argv0 = argv[0], argc--, argv++;
+	argv0 = *argv, argv0 ? (argc--, argv++) : (void *)0;

 	for (; *argv && (*argv)[0] == '-'; argc--, argv++) {
 		if (!(*argv)[1])